Year            Count     Valid     Min        Max        Mean       Stdev      Median
2007            383       355       12.050775  12.953968  12.543322  0.208726   12.570323 
2008            383       355       13.469903  14.337322  13.893309  0.200472   13.909064 
2009            383       355       11.318193  12.21629   11.87774   0.213803   11.930161 
2010            383       355       12.635451  13.746645  13.302371  0.268561   13.355323 
2011            383       355       12.687064  13.595161  13.222084  0.224884   13.265484 
2012            383       355       12.991806  14.136968  13.69045   0.274784   13.757129 
2013            383       355       12.646903  13.841452  13.31414   0.278011   13.361161 
2014            383       355       11.983065  12.965484  12.570931  0.225281   12.607549 
2015            383       355       10.74342   12.222129  11.574881  0.355552   11.631678 
2016            383       355       12.153452  13.324967  12.842598  0.276415   12.896516 
2017            383       355       11.380258  12.633645  12.075254  0.290102   12.121129 
2018            383       355       11.891355  13.432936  12.764062  0.37169    12.806065 
2019            383       355       12.196484  13.135355  12.722368  0.205506   12.753355 
2020            383       355       13.441516  13.944033  13.720204  0.117187   13.734516 
2021            383       355       14.265388  14.859226  14.640349  0.13116    14.653322 
2022            383       355       13.305     14.209903  13.872117  0.215994   13.932451 
2023            383       355       14.928323  15.782904  15.377518  0.177292   15.382903